This text, written by a leading researcher in the field, describes the origin and formation of lakes in order to give context to the question of how lacustrine

The Third International Symposium on Paleolimnology was held at the beginning of September 1981 in Finland. After registration at the University of 10ensuu and

stable or falling water levels, and permit differen tiation between gradual and sudden transgression The level of Lake Ontario was long assumed to of the shorel